| 摘要 |
PURPOSE: A plastic charging screw attachment is provided to precisely perform the feed and pressurization of plastics by using a screw shaft with a wedge portion. CONSTITUTION: A plastic charging screw(10) is disposed in a heating cylinder installed at an injection molding machine. An inner tunnel(22) is formed at a screw shaft(20), and has a wedge portion tapered from an inlet. A pipe-shaped wedge is inserted into the plastic charging screw and the screw shaft.
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